import Rational

r1 = Rational.Rational(4,2)
r2 = Rational.Rational(2,3)

print(r1,"+",r2,"=",r1+r2)
print(r1,"-",r2,"=",r1-r2)
print(r1,"*",r2,"=",r1*r2)
print(r1,"/",r2,"=",r1/r2)

